Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to have infinite encryptions. This can lead to naive attempts at brute forcing, as well as more refined attacks with the goal to learn the server secrets. This vulnerability is fixed in 2.6.0.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 15 Jan 2026 23:00:00 +0000

Type Values Removed Values Added
Description Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to have infinite encryptions. This can lead to naive attempts at brute forcing, as well as more refined attacks with the goal to learn the server secrets. This vulnerability is fixed in 2.6.0.
Title Deno node:crypto doesn't finalize cipher
Weaknesses CWE-325
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-15T22:53:15.357Z

Reserved: 2026-01-12T16:20:16.746Z

Link: CVE-2026-22863

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-15T23:15:51.767

Modified: 2026-01-15T23:15:51.767

Link: CVE-2026-22863

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses